IonQ, Inc.

Niccolo de Masi has served as a member of our board of directors since the closing of the business combination in September 2021 and as President and Chief Executive Officer since February 2025. Mr. de Masi was the Chief Executive Officer and a member of the board of directors of our predecessor, dMY Technology Group, Inc. III, since September 2020. Mr. de Masi has served as a director of Planet Labs PBC, a publicly traded earth imaging company, since December 2021, and as a director and audit committee member of Genius Sports Limited, a publicly traded sports data and technology company, since April 2021. Mr. de Masi has served as a director of dMY Technology Group, Inc. VI and dMY Squared Technology Group, Inc., each a publicly traded company, since October 2021 and October 2022, respectively. From January 2020 to December 2020, Mr. de Masi served as Chief Executive Officer of dMY Technology Group, Inc. and has served as a director of Rush Street Interactive, Inc., a publicly traded online casino company, since December 2020, following its business combination with dMY Technology Group, Inc. From January 2010 to April 2021, Mr. de Masi was a member of the board of directors of Glu Mobile Inc., a publicly traded mobile gaming company. From February 2019 to March 2020, Mr. de Masi was the Chief Innovation Officer at Resideo Technologies, Inc., a publicly traded security solutions company. From October 2018 to January 2020, he served as a member of Resideo Technologies, Inc.’s board of directors and from February 2019 until January 2020 he served as its President of Products and Solutions. From November 2016 until October 2018, Mr. de Masi served as the President of Essential Products, Inc. Since November 2015, Mr. de Masi has served on the Leadership Council of the UCLA Grand Challenge. Mr. de Masi received a B.A. and an MSci. in physics from Cambridge University. We believe Mr. de Masi is qualified to serve as a member of our board of directors because of his breadth of experience as both an officer and member of the board of directors at a variety of publicly traded technology companies.

Inder M. Singh has served as a member of our board of directors since December 2021, and lead independent director since March 2025. Mr. Singh has served as a director of John Wiley and Sons, Inc., a publicly traded publishing company since December 2021. From April 2019 to December 2022, Mr. Singh served as Executive Vice President and Chief Financial Officer of Arm Limited, a British semiconductor and software design company, where he led the global finance organization as well as corporate IT operations, procurement and enterprise security teams. From November 2016 to April 2019, Mr.

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Singh served as Senior Vice President and Chief Financial Officer, and from March 2016 to November 2016, as Chief Strategy and Marketing Officer, of Unisys Corp., a publicly traded company. Prior to that, Mr. Singh was a Managing Director at SunTrust Bank’s equities unit, and a Senior Vice President in finance at Comcast Corporation. Mr. Singh is currently a member of the board of directors of Affinity Federal Credit Union, a U.S. financial services firm. Mr. Singh has also advised startups as a member of Columbia University’s Entrepreneurship Advisory Board, and participates as a project advisor for the U.S. Department of Homeland Security on national security and critical infrastructure issues. Mr. Singh received an M.B.A. in finance from New York University and holds M.S. and B.S. degrees in engineering from Columbia University. We believe Mr. Singh is qualified to serve as a member of our board of directors because of his finance and corporate management roles within various organizations and his general involvement in the technology and infrastructure industry.

Directors Continuing in Office Until the 2026 Annual Meeting of Stockholders

Kathryn Chou has served as a member of our board of directors since July 2022. Since January 2022, Ms. Chou has served as Senior Vice President, SaaS Engineering, of Nutanix, Inc., a publicly traded company, where she along with her team is responsible for building secure and scalable SaaS applications and systems across the entire customer life cycle. From June 2020 to September 2021, Ms. Chou served as Senior Vice President, Worldwide Sales Strategy and Operations, from March 2020 to June 2020, as Vice President, Customer Success Operations and Intelligence and from September 2016 to March 2020 as Vice President, Research and Development, Operations and Central Services, of VMware, Inc., a publicly traded company. Ms. Chou has also served in various non-profit organizations throughout her career. Ms. Chou received an M.B.A. from Harvard Business School and holds M.S. and B.S. degrees in manufacturing systems engineering and mechanical engineering, respectively, from Stanford University. We believe Ms. Chou is qualified to serve as a member of our board of directors because of her extensive and varied experience as a senior executive at multiple publicly traded technology and software companies.

Robert Cardillohas served as a member of our board of directors since February 2024. Since April 2021, Mr. Cardillo has served as Chief Strategist at Planet Labs PBC, a publicly traded company. From October 2014 to February 2019, Mr. Cardillo was the sixth Director of the National Geospatial-Intelligence Agency. Mr. Cardillo is the Chairman of the Board of Planet Federal, an Outside Director at Seerist Federal and an Independent Director on the board of directors of SynthetAIc. Mr. Cardillo served as a member of the board of directors of AGI and Enview, each private companies which were acquired by public companies—AGI by ANSER (2020) and Enview by Matterport (2022). Mr. Cardillo earned a Bachelor of Arts in Government from Cornell University in 1983 and a Master of Arts in National Security Studies from Georgetown University in 1988. In 2019, Mr. Cardillo received an honorary Doctorate of Humane Letters from Saint Louis University. We believe Mr. Cardillo is qualified to serve as a member of our board of directors because of his extensive experience in the U.S. government and with private and public companies.

Directors Continuing in Office Until the 2027 Annual Meeting of Stockholders

Peter Chapman has served as a member of our board of directors since the closing of the business combination in September 2021 and as Executive Chair of the Board since June 2024. Mr. Chapman previously served as our President and Chief Executive Officer from the closing of the business combination in September 2021 until February 2025, and as legacy IonQ’s President and Chief Executive Officer and a member of its board of directors since May 2019. From September 2014 to May 2019, Mr. Chapman served as a Director of Engineering for Amazon Prime at Amazon.com, Inc. prior to joining IonQ. Before that, Mr. Chapman was the President at Media Arc, Inc. We believe Mr. Chapman is qualified to serve as a member of our board of directors because of his prior leadership and officer positions at technology and software companies.

William Scannell has served as a member of our board of directors since February 2024. Since September 2016, Mr. Scannell has served as President, Global Sales & Customer Operations at Dell Technologies Inc., a publicly traded company. Prior to this role, Mr. Scannell oversaw Global Enterprise Sales & Customer Operations at Dell Technologies, Inc. and Global Sales at EMC Corporation (acquired by Dell Technologies, Inc. in 2016). Mr. Scannell began his career as a Sales Representative for EMC Corporation in 1986, and has served in several other roles in addition to those mentioned above. Mr. Scannell holds a Bachelor of Science degree in business management from Northeastern University. We believe Mr. Scannell is qualified to serve as a member of our board of directors because of his extensive and varied experience in all aspects of software and hardware company operations.

Gabrielle Toledano has served as a member of our board of directors since February 2025. Since 2020, Ms. Toledano has served as the Chief Operating Officer at Keystone Strategy, a global technology and advisory firm. Prior to Keystone, Ms. Toledano was Executive in Residence for Comcast Ventures in 2019 and Chief People Officer at Tesla from 2017 to 2018.

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Ms. Toledano served as Chief Talent Officer at Electronic Arts from 2006 to 2017 and Chief Human Resources Officer for Siebel Systems from 2002 to 2006. From 1991 to 2002, Ms. Toledano served in human resources leadership positions with Microsoft and Oracle. Ms. Toledano serves as a director on the boards of Fountain, a private technology company focused on frontline workforce management, and Altanine, a private pharmaceutical company. During her career she has also served as a director on the boards of Bose Corporation, Glu Mobile, Lilium, Velo3D, Vaxxinity and Jive Software. Ms. Toledano received her undergraduate and graduate degrees from Stanford University. We believe Ms. Toledano is qualified to serve as a member of our board of directors because of her extensive and varied experience as a senior executive at multiple private and public companies.